diff --git a/system/uorb/Kconfig b/system/uorb/Kconfig
index e72ae4f60..993211a04 100644
--- a/system/uorb/Kconfig
+++ b/system/uorb/Kconfig
@@ -16,6 +16,7 @@ config UORB_PRIORITY
 
 config UORB_STACKSIZE
 	int "stack size"
+	default 4096 if LIBC_PRINT_EXTENSION
 	default DEFAULT_TASK_STACKSIZE
 
 config UORB_FORMAT